CN113458881A

CN113458881A - Five for equipment cutter grain grind production anchor clamps

Info

Publication number: CN113458881A
Application number: CN202110807324.6A
Authority: CN
Inventors: 龙腾
Original assignee: Dongguan Carding Precision Machinery Co ltd
Current assignee: Dongguan Carding Precision Machinery Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2021-10-01

Abstract

The invention provides a cutter grain grinding production clamp for five-axis equipment, which comprises a clamp AB shaft base assembly, a clamp mounting plate, a clamp body and a positioning structure, wherein the clamp AB shaft base assembly is arranged on the clamp mounting plate; the five-axis equipment cutter grain grinding production clamp provided by the invention has the advantages that other pushing parts are designed on other parts of the equipment by the clamp body, so that the clamp is small in size, long in appearance and large in clearance range, the bottom, the left side and the right side of the grinding wheel set can be machined by using a five-axis machining mode, the machining precision and the machining efficiency are greatly improved, different types of production products can be replaced only by replacing the positioning sheet, and the clamping pressure head and the positioning gasket can be replaced if necessary, so that the whole clamp does not need to be replaced, the operation is simple and rapid, the machine adjusting time is saved, if the clamp body is damaged or abraded, only parts damaged by contacting with a cutter blade, namely the positioning sheet part, the clamp body is symmetrically designed in a sampling mode, and the replacement of a reference surface can be realized only by rotating 180 degrees.

Description

Five for equipment cutter grain grind production anchor clamps

Technical Field

The invention relates to the technical field of blade production, in particular to a cutter grain grinding production clamp for five-axis equipment.

Background

The tool bits are also called as blades in industry, which are tools used for cutting in machine manufacturing, also called as cutting tools, including grinding tools, etc., and the tool bits are mainly used for fine machining and semi-fine machining of steel, cast iron, stainless steel, etc.

The existing blade production scheme comprises the following steps: (1) the cutter bar is directly used as a cutter bar production clamp, such as a turning cutter bar or a clamp similar to the cutter bar structure, the cutter bar has the characteristics of small volume, long body shape and large-range clearance, and the part of the cutter bar to be machined and formed is the using position of the cutter bar, so the clearance possibility of the cutter bar during machining is high; (2) the automatic production clamp is adopted, the part of the blade to be processed is exposed, the bottom of the grinding wheel is adopted for grinding, the automatic production clamp can realize full-automatic production, the switching of production products can be carried out only by replacing the positioning piece part, multi-process grinding can also be realized, meanwhile, the production requirements of a left reference blade and a right reference blade can also be met, and the automatic production clamp is an ideal solution.

When the clamp is used for production, the following problems exist (1) that the cutter bar is directly used as a positioning structure at the front end of the clamp and is integrated with the cutter bar, the whole cutter bar needs to be replaced when a product is replaced, the cost is high, the types of the clamp are more, and the machine adjustment is relatively complex; one of the important reasons for using the cutter bar as a production clamp is that the cutter bar is small in size and large in clearance avoiding range, but the cutter bar is small in size because the clamping and feeding and discharging of the cutter bar are completed in a manual mode, so that a whole set of automatic clamping part is omitted, and the cutter bar can only use manual auxiliary clamping and feeding and discharging, which is a great defect that full-automatic and unmanned production cannot be realized, (2) the automatic production clamp is large in size relative to the cutter bar and only can use the bottom of a grinding wheel for grinding, the use mode is limited, some products cannot be formed at one time, and some products cannot be processed; reference surface type about anchor clamps divide, and the anchor clamps of two kinds of locating surface forms about most anchor clamps divide the design, and some anchor clamps have accomplished the design of reference surface sharing about, but anchor clamps need the dismouting, assemble again, and the operation is more loaded down with trivial details.

Therefore, it is necessary to provide a tool bit grinding production fixture for five-axis equipment to solve the above technical problems.

Disclosure of Invention

The invention provides a cutter grain grinding production clamp for five-axis equipment, which solves the problems that the clamp needs to be disassembled and assembled again when a positioning surface is replaced, and the operation is complicated, realizes full-automatic production and corresponds to various processing forms, and realizes the standardization of the clamp.

In order to solve the technical problem, the cutter grain grinding production clamp for five-axis equipment provided by the invention comprises: the fixture comprises a fixture AB shaft base assembly, a fixture mounting plate, a fixture body and a positioning structure; the clamp AB shaft base assembly comprises a rotating A shaft, a rotating B shaft, a B shaft brake and a protective metal plate; the positioning structure is arranged on the clamp body and comprises a clamping pressure head, a positioning sheet and a positioning gasket; a blade disposed between the clamping ram and the locating shim; wherein, rotatory B axle set up in one side of rotatory A axle, B axle brake is fixed in the opposite side of rotatory A axle, the protection panel beating set up with rotatory B axle with the top of B axle brake, press from both sides tight pressure head setting with the front end of anchor clamps body, the spacer set up with press from both sides one side of tight pressure head, the setting of locating washer with the back of spacer.

Preferably, the rotating shaft A is arranged on the rotating shaft B, and the rotating shaft A and the rotating shaft B rotate to drive the blade to rotate.

Preferably, the protection panel beating is the U-shaped to the protection panel beating is used for protecting the part of anchor clamps AB axle base subassembly.

Preferably, the clamp body is combined by a wedge clamping mechanism and a lever mechanism.

Preferably, the clamping pressure head is used for pressing the product, and the positioning piece is used for positioning the edge of the blade.

Preferably, the locating washer is used for locating the plane of the blade, and the clamp mounting plate is arranged above the rotating shaft A.

Preferably, the blade is required to be pushed to perform other pushing actions before being clamped, and the clamp further comprises a pushing assembly on the blade and a front pushing assembly, so that the positioning surface of the blade is tightly attached to the positioning surface of the positioning plate.

Preferably, the structure of the clamp body adopts the clearance design in all directions.

Preferably, the clamp body is designed symmetrically, and the reference surface can be changed only by rotating 180 degrees.

Preferably, the clamp body comprises a cylinder, a speed regulating valve, a floating joint, a roller, a one-way valve, a compression spring, a spring fixing piece, an air blowing pipe, a lever swing arm and a wedge-shaped sliding block.

Compared with the prior art, the cutter grain grinding production clamp for the five-axis equipment has the following beneficial effects:

the invention provides a tool grain grinding production clamp for five-axis equipment, which is characterized in that other pushing parts are designed on other parts of the equipment by a clamp body, so that the clamp has small volume, long appearance and large clearance range, and is processed by five axes, the bottom, the left side and the right side of the grinding wheel set can be processed, the blade processing applicability is very wide, multi-station processing can be carried out, one-time processing forming is realized, the processing precision and the processing efficiency are greatly improved, moreover, the replacement of different products only needs to replace the positioning sheet, and the clamping pressure head and the positioning gasket can be replaced when necessary, the clamping fixture has the advantages that the whole clamping fixture is not required to be replaced, the operation is simple and fast, the machine adjusting time is saved, if the clamping fixture body is damaged or abraded, only damaged parts which are in contact with the blade need to be replaced, namely the positioning piece part, the clamping fixture body is symmetrically designed in a sampling mode, and the exchange of the reference surface can be realized only by rotating 180 degrees.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a tool grain grinding production fixture for five-axis equipment according to the present invention;

FIG. 2 is a schematic view of the internal structure of the AB axle base assembly of the clamp shown in FIG. 1;

FIG. 3 is a cross-sectional view of the clamp body shown in FIG. 1;

FIG. 4 is an enlarged view of a portion of the positioning structure shown in FIG. 1;

FIG. 5 is a schematic view of two installation forms of symmetrical positioning surfaces of the fixture body provided by the invention;

FIG. 6 is a schematic view of an upper ejection assembly and a front ejection assembly provided by the present invention;

FIG. 7 is a top view of the clearance design provided by the present invention;

fig. 8 is a side view of the clearance design shown in fig. 7.

Reference numbers in the figures:

1. the fixture AB shaft base assembly comprises a fixture AB shaft base assembly 11, a rotating A shaft 12, a rotating B shaft 13, a B shaft brake 14 and a protective metal plate;

2. the fixture mounting plate 3 is a fixture body;

4. the positioning structure 41, the clamping pressure head 42, the positioning sheet 43 and the positioning gasket;

5. blade, 51, upper ejection assembly, 52, front ejection assembly.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8 in combination, wherein fig. 1 is a schematic structural view of a preferred embodiment of a tool grain grinding production jig for five-axis equipment according to the present invention; FIG. 2 is a schematic view of the internal structure of the AB axle base assembly of the clamp of FIG. 1; FIG. 3 is a cross-sectional view of the clamp body shown in FIG. 1; FIG. 4 is an enlarged view of a portion of the positioning structure shown in FIG. 1; FIG. 5 is a schematic view of two installation forms of symmetrical positioning surfaces of the fixture body provided by the invention; FIG. 6 is a schematic view of an upper ejection assembly and a front ejection assembly provided by the present invention; FIG. 7 is a top view of the clearance design provided by the present invention; fig. 8 is a side view of the clearance design shown in fig. 7. A five for equipment cutter grain grind production anchor clamps include: the fixture AB shaft base assembly 1, the fixture mounting plate 2, the fixture body 3 and the positioning structure 4; the clamp AB shaft base assembly 1 comprises a rotary A shaft 11, a rotary B shaft 12, a B shaft brake 13 and a protective metal plate 14; the positioning structure 4 is arranged on the fixture body 3, and the positioning structure 4 comprises a clamping pressure head 41, a positioning sheet 42 and a positioning gasket 43; a blade 5, said blade 5 being arranged between said clamping ram 41 and said spacer 43; wherein, rotatory B axle 12 set up in one side of rotatory A axle 11, B axle brake 13 is fixed in the opposite side of rotatory A axle 11, protection panel beating 14 set up with rotatory B axle 12 with the top of B axle brake 13, press from both sides tight pressure head 41 set up with the front end of anchor clamps body 3, the spacer 42 set up with press from both sides tight pressure head 41's one side, locating washer 43 set up with the back of spacer 42.

The production clamp realizes the standardization of the blade production clamp, the blade needs two kinds of left and right positioning clamps to correspond to a left-hand cutter and a right-hand cutter of the blade from the past, different stations need different clamps, several clamps are possibly needed for producing the blade, a factory corresponds to massive blade types, the types and the number of the clamps are extremely large, as the clamp has small volume, long appearance and large clearance range, and adopts a 5-axis processing form, the clamp body adopts a symmetrical structure design, the replacement of different types of production products only needs to replace a positioning structure, the clamp can process various types of blades, the applicability is very wide, the multi-station processing can be simultaneously carried out, and the blades of the left and right reference surfaces can be processed by using the same clamp, so that a large number of clamps are needed to correspond to the blade in the past, at present, almost all production conditions can be met by only one set of clamp, the production conditions of a factory are completely reversed, the standardization of the clamp is realized by classifying the blade production clamps, the production process and the production management are greatly simplified, the redundant productivity is released, the production efficiency is greatly improved, the social resources are saved, and the modern intensive production concept is met.

The rotation a shaft 11 is provided on the rotation B shaft 12, and the rotation a shaft 11 and the rotation B shaft 12 rotate to drive the blade 5 to rotate.

The B-axis brake 13 is used for improving the rigidity of the rotating B-axis 12, so that the effect of improving the machining precision of products can be achieved.

The protection sheet metal 14 is U-shaped, and the protection sheet metal 14 is used for protecting parts of the fixture AB shaft base assembly 1.

The protective metal plate 14 is used for preventing external cutting fluid and impurities from entering the base, and protecting components inside the base from being damaged.

The clamp body 3 is combined by a wedge clamping mechanism and a lever mechanism.

The clamping ram 41 is used for pressing the product, and the positioning sheet 42 is used for positioning the edge of the blade 5.

The locating washer 43 is used for locating the plane of the blade, and the clamp mounting plate 2 is arranged above the rotating A shaft 11.

The clamping pressure head 41, the positioning plate 42 and the positioning gasket 43 are directly contacted with the blade 5, are made of high-hardness wear-resistant materials, and have the advantages of being replaceable, high in hardness, convenient to manufacture, low in cost and capable of carrying out design change corresponding to different products.

The blade 5 needs to do other pushing actions on the blade 5 before being clamped, and the fixture further comprises a pushing assembly 51 and a front pushing assembly 52 on the blade 5, so that the positioning surface of the blade 5 is tightly attached to the positioning surface of the positioning plate 42.

Other ejector components are designed on other parts of the clamp, so that the clamp is very compact, and the clamp is favorable for avoiding the space of other parts.

The structure of the clamp body 3 adopts the clearance design 6 in all directions.

And by adopting a clearance design and a five-axis machining design and utilizing different parts of the grinding wheel to carry out machining, the blade can realize machining of various types and stations.

The clamp body 3 is designed symmetrically, and the exchange of the reference surface can be realized only by rotating 180 degrees.

The blade of different reference surfaces of grinding can be realized to the change of reference surface, and anchor clamps body 3 adopts the symmetrical structure design, and anchor clamps body 3 need not the dismouting, only needs rotatory installation direction can realize the change of reference surface about processing, has realized the condition of left benchmark with right benchmark blade in the production of same set of anchor clamps promptly, and the operation is very simple and convenient again.

The clamp body 3 comprises an air cylinder, a speed regulating valve, a floating joint, a roller, a one-way valve, a compression spring, a spring fixing piece, an air blowing pipe, a lever swing arm and a wedge-shaped sliding block.

The clamp body 3 is of a structure commonly used and well known by those skilled in the art, and is not described again.

The working principle of the cutter grain grinding production clamp for the five-axis equipment provided by the invention is as follows:

the part of the clamp body 3 is a combination of a wedge clamping mechanism and a lever mechanism, the wedge clamping mechanism drives a lever to rotate, then the lever drives the clamping pressure head 41 to compress the blade 5, and when the control switch controls the cylinder to retract, the compression spring applies opposite acting force to the lever, so that the lever drives the clamping pressure head 41 to not clamp the blade 5 any more.

this anchor clamps body 3 other push away the top part design to the equipment on, make anchor clamps small, the appearance is elongated, the clearance scope is big, and with five-axis machining's form, can adopt the bottom of emery wheel group, left and right-hand processing, blade processing suitability is very extensive, can carry out multistation processing, one-time machine-shaping, machining precision all improves with efficiency by a wide margin, and it only need with the spacer 42 can to change different style production products, also can change when necessary and press from both sides tight pressure head 41 and locating washer 43, make and need not to change whole anchor clamps, easy operation is swift, practice thrift the tune-up time, if anchor clamps body 3 takes place to damage or wearing and tearing, only need to change and contact impaired part with blade 5, also can be spacer 42 parts, anchor clamps body 3 sampling symmetric design, only need 180 installation of rotation can realize the change of reference surface.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a five for equipment cutter grain grind production anchor clamps which characterized in that includes:

the fixture comprises a fixture AB shaft base assembly, a fixture mounting plate, a fixture body and a positioning structure;

the clamp AB shaft base assembly comprises a rotating A shaft, a rotating B shaft, a B shaft brake and a protective metal plate;

the positioning structure is arranged on the clamp body and comprises a clamping pressure head, a positioning sheet and a positioning gasket;

a blade disposed between the clamping ram and the locating shim;

wherein, rotatory B axle set up in one side of rotatory A axle, B axle brake is fixed in the opposite side of rotatory A axle, the protection panel beating set up with rotatory B axle with the top of B axle brake, press from both sides tight pressure head setting with the front end of anchor clamps body, the spacer set up with press from both sides one side of tight pressure head, the setting of locating washer with the back of spacer.

2. The five-axis device cutter grain grinding production jig according to claim 1, wherein the rotating A-axis is arranged on the rotating B-axis, and the rotating A-axis and the rotating B-axis rotate to drive the cutter blade to rotate.

3. The tool grain grinding production clamp for the five-axis equipment as claimed in claim 1, wherein the protective sheet metal is U-shaped, and the protective sheet metal is used for protecting a part of an AB shaft base assembly of the clamp.

4. The tool grain grinding production clamp for the five-axis equipment as claimed in claim 1, wherein the clamp body is formed by combining a wedge clamping mechanism and a lever mechanism.

5. The five-axis equipment cutter grain grinding production clamp as claimed in claim 1, wherein the clamping pressure head is used for pressing a product, and the positioning piece is used for positioning the edge of the cutter blade.

6. The five-axis apparatus cutter grain grinding production jig of claim 1, wherein the locating washer is used for locating the plane of the cutter blade, and the jig mounting plate is disposed above the axis of rotation a.

7. The tool grain grinding production fixture for five-axis equipment according to claim 1, wherein the tool grain is required to perform other pushing actions on the tool grain before being clamped, and the fixture further comprises a pushing assembly on the tool grain and a front pushing assembly, so that the positioning surface of the tool grain is tightly attached to the positioning surface of the positioning piece.

8. The tool grain grinding production clamp for the five-axis equipment as claimed in claim 1, wherein the structure of the clamp body adopts a clearance design in all directions.

9. The five-axis device cutter grain grinding production clamp as claimed in claim 1, wherein the clamp body is of a symmetrical design, and the reference surface can be exchanged only by rotating 180 degrees.

10. The tool grain grinding production clamp for the five-axis equipment as claimed in claim 1, wherein the clamp body comprises a cylinder, a speed regulating valve, a floating joint, a roller, a one-way valve, a compression spring, a spring fixing piece, an air blowing pipe, a lever swing arm and a wedge-shaped sliding block.